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Finding the Fourth Proportional to 303,522.39, 419,199.30 and 236,347.47

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Solution

The fourth proportional to 303,522.39, 419,199.30 and 236,347.47 is: 326,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,522.39 : 419,199.30 = 236,347.47 : x
  2. Step 2: Convert to fraction form
    303,522.39/419,199.30 = 236,347.47/x
  3. Step 3: Cross multiply
    303,522.39x = 419,199.30 × 236,347.47
  4. Step 4: Simplify right side
    303,522.39x = 99,076,693,980.77
  5. Step 5: Solve for x
    x = 99,076,693,980.77/303,522.39
  6. Step 6: Final answer
    x = 326,423.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.